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Heart|Natural|GIA

1.51ct E SI2 Heart Natural Diamond

ID • E/SI2 • GIA 250000277812

Certificate GIA 250000277812

Diamond specifications and retailer prices

From $7,244 NZD
$4,083 USD
As of October 29, 2026
Save $5,378 NZD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $12,622 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 250000277812. Listed at 6 retailers as of October 29, 2026, with prices from $7,244 to $12,622, a $5,378 spread on the same certified stone. NZ Jewellers lists it at $12,622. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle38.3°
OriginNatural
Grading LabGIA
CertificateGIA 250000277812
Dimensions7.91 × 7.17 × 4.48 mm
L/W Ratio1.10
Culet sizePointed
Top View
7.91 mm7.17 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 250000277812
Side View
Table 57.0%Crown 37.4°Girdle: MediumPavilion 38.3°Culet: NoneDepth 56.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $12,622 NZD|Low: $7,244 NZD|High: $12,622 NZD|Avg: $8,099 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3$7,244 NZD
Retailer 4$7,244 NZD
Retailer 5$7,244 NZD
Retailer 6$7,559 NZD
Retailer 2$8,359 NZD
NZ Jewellers$12,622 NZD

3 data points across 6 retailers

6 retailers$7,244 NZD to $12,622 NZD

A
Cheapest Retailer
-
$7,244 NZD
$4,083 USD
A
Retailer 2
-
$7,244 NZD
$4,083 USD
View
A
Retailer 3
-
$7,244 NZD
$4,083 USD
View
A
Retailer 4
-
$7,559 NZD
$4,260 USD
View
A
Retailer 5
-
$8,359 NZD
$4,711 USD
View
Most Expensive
B+
NZ Jewellers
4c95aedf-0fd9-4b51-bee7-057d21c88806 · Oct 30
$12,622 NZD
$7,114 USD
View
5 more retailers have this diamond
Prices start from $7,244 NZDSave up to $5,378 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Heart
$7,244 NZD